PSLE Nicole had an equal number of green and pink beads. She gave 38 green beads and 36 pink beads to Mary. She gave the remaining beads to Nora. Nora was given 4 green beads for every 6 pink beads. How many beads did Nicole have at first?
|
Green |
Pink |
Before |
4 u + 38 |
6 u + 36 |
Change |
- 38 |
- 36 |
After |
4 u |
6 u |
The number of green and pink beads is equal at first.
4 u + 38 = 6 u + 36
6 u - 4 u = 38 - 36
2 u = 2
1 u = 2 ÷ 2 = 1
Number of green beads that Nicole had at first
= 4 u + 38
= 4 x 1 + 38
= 4 + 38
= 42
Number of beads that Nicole had at first
= 2 x 42
= 84
Answer(s): 84